
The RingConn Gen 2 stands out with its impressive 12-day battery life, the longest among smart rings. It tracks HRV, SpO2, skin temperature, and stress without requiring a subscription. A great choice for users who prioritize battery endurance and cost-free health insights.
Sleep staging and sleep quality score
24/7 HRV monitoring with trend insights
Blood oxygen level tracking
Not available on RingConn Gen 2
No built-in GPS
Daily step and activity tracking
Dedicated stress sensor and score
Basic automatic workout detection
Not available — no display
Period prediction via temperature trends
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